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Actually I'm looking for a 200-500mw 445-473nm laser

How long should the first charge be and should I discharge the battery completely before charging after the first few charge?

Just bought 2x 16340 and idk whether to charge it before using or use it until flat and then charge it? The answers are mixed on google so I had to come here.

I get the after images from my laser all the time and I thought it wad completely normal as I get them from looking at a lights. So what are the consequences of these? And will distance decrease the damage done to eyes if shone directly from a further distance(e.g. 500m compared to 1m)?

Thanks for the information guys will put on goggles from now on

But I really dont feel any damage at all :( its such a hassle to wear and bring the goggles with me all the time. Correct me if I'm wrong, but when a laser burns it's the heat and it doesn't matter what wavelength is. When you get eye damage from looking at the dot its the brightness of the...

I have a 200mw purple laser and im wondering if goggles is a must. It burns good and the beam is nice, but the color purple just isn't bright at all. When I take off my goggles and use my laser in close range it hurts alittle when staring at the dot but I dont feel any damage done at all.